Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 883 · 40 questions

What you do (Float or sink?): 1. Fill a tub with water on a towel, with an adult nearby. 2. Guess “float” or “sink” for each object and write it in a table. 3. Gently place each object on the water and write what happens. 4. Press the sinking clay into a boat shape and try again; wipe up spills.

1. 1.🛟 Does an ice-cream stick float or sink in water? (a) floats (b) sinks
2. 2.True or false: a cork floats on water. (a) True (b) False
3. 3.True or false: a magnet is needed for the float-or-sink test. (a) False (b) True
4. 4.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) small test objects (c) a results table (d) a battery cell
5. 5.🌊 What pushes a floating cork upward? (a) the air above (b) the water (c) the tub (d) the cork itself
6. 6.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the shape of the clay (b) whether it floats (c) the amount of clay
7. 7.True or false: a battery cell is needed for the float-or-sink test. (a) False (b) True
8. 8.True or false: a towel for spills is not needed for the float-or-sink test. (a) False (b) True
9. 9.True or false: turmeric powder is needed for the float-or-sink test. (a) True (b) False
10. 10.🛟 Which of these floats on water? (a) a cork (b) a metal key (c) a coin (d) a ball of clay
11. 11.True or false: a mirror is needed for the float-or-sink test. (a) False (b) True
12. 12.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the kind of clay (b) the tub of water (c) the shape of the clay (d) whether it floats
13. 13.🛟 Which of these sinks in water? (a) a ping-pong ball (b) a piece of thermocol (c) a steel spoon (d) a dry leaf
14. 14.🔍 Which is the odd one out? (a) an empty capped bottle (b) a glass marble (c) a coin (d) a steel spoon
15. 15.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a magnet (b) small test objects (c) a results table (d) a tub of water
16. 16.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) turmeric powder (c) small test objects (d) yeast
17. 17.🔍 You drop a coin into a tub of water. What do you see? (a) it floats (b) it dissolves (c) it sinks (d) it bounces up
18. 18.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is kept the same. (a) True (b) False
19. 19.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is what we measure. (a) True (b) False
20. 20.🚢 Why can a heavy steel ship float on the sea? (a) sea water is warm (b) its hollow shape (c) steel is very light (d) it has a magnet
21. 21.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is kept the same. (a) True (b) False
22. 22.🛟 Does an iron nail float or sink in water? (a) sinks (b) floats
23. 23.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is what we measure. (a) True (b) False
24. 24.True or false: a ping-pong ball floats on water. (a) True (b) False
25. 25.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is the one thing we change? (a) the amount of clay (b) the tub of water (c) the shape of the clay (d) the kind of clay
26. 26.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the amount of clay”? (a) we change it (b) we keep it the same (c) we measure it
27. 27.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a tub of water (c) a balloon (d) small test objects
28. 28.🔮 A big log and a small pebble go into a pond. Which one floats? (a) neither of them (b) both of them (c) the big log (d) the small pebble
29. 29.True or false: a towel for spills is needed for the float-or-sink test. (a) False (b) True
30. 30.True or false: yeast is needed for the float-or-sink test. (a) True (b) False
31. 31.True or false: an iron nail floats on water. (a) False (b) True
32. 32.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the kind of clay”? (a) we measure it (b) we keep it the same (c) we change it
33. 33.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a battery cell (c) a towel for spills (d) a tub of water
34. 34.🛟 Which of these floats on water? (a) a feather (b) a ball of clay (c) a steel spoon (d) a coin
35. 35.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to hide the corks (b) to keep children safe (c) to win a prize (d) to splash everyone
36. 36.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the tub of water”? (a) we change it (b) we keep it the same (c) we measure it
37. 37.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is kept the same. (a) True (b) False
38. 38.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the shape of the clay”? (a) we keep it the same (b) we change it (c) we measure it
39. 39.🔍 Which is the odd one out? (a) an ice-cream stick (b) a piece of thermocol (c) an iron nail (d) an ice cube
40. 40.🛟 Does a metal key float or sink in water? (a) floats (b) sinks

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